[ Grammar ]
Tom and Mary are still discussing the math exercise with each other because they ____ how to do it.
A. aren’t working out
B. haven’t worked out
C. haven’t been working out
D. didn’t work out
Select your answer:
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Vocabulary and Grammar › ViewI’m sorry, I can’t. I have a ________ headache.
A. splitting
B. biting
C. sleeping
D. chipping
Adverbs › View
He finished his homework in only ten minutes.
He was very____
A. quick
B. quickly